A Block-based Adaptive Data Hiding Approach using Pixel value difference and LSB Substitution to Secure E-Governance Documents.
Tanmoy HalderSunil KarformaRupali MandalPublished in: J. Inf. Process. Syst. (2019)
Keyphrases
- data hiding
- secret data
- cover image
- embedding capacity
- pixel values
- error correction
- spatial domain
- reversible data hiding
- data embedding
- spread spectrum
- high capacity
- secret message
- discrete cosine transform
- image quality
- stego image
- watermarking technique
- transform domain
- gray level
- motion estimation
- least significant bit
- information hiding
- jpeg images
- secret image